A lot of Americans grew up watching Bill Nye the Science guy explain scientific topics in a fun way, with ball pits, wind tunnels and a jovial attitude. Even on this side of the Atlantic, his reputation is that of a kind of Johnny Ball with a bow-tie.

Well, that’s all over now, because his piece on climate change pricing for Last Week Tonight with John Oliver is a sweary rant, emphasizing how seriously he thinks people should be taking the subject.